Alfred williams



4 v v Wl.

A. WILLIAMS.

FILTER Patented June 20, 1893.

(No Model.)

UNITED STATES PA'IQENT OFFICE.

ALFRED WILLIAMS, OF SEATTLE, WASHINGTON, ASSIGNOR OF- ONE-HALF TO THOMAS W. GORDON, OF SAME PLACE.

FILTER.

SPECIFICATION forming part of Letters Patent No. 499,815, dated June 20, 1893. Application filed November 9, 1891. Renewed May 8, 1893- Serial No. 4'7 A 4- modem To all whom it may concern: fine strainer into the chamber 2 of the filter,

Be it known that I, ALFRED WILLIAMS, a and is caused by the curved diaphragm to citizen of the United States, residing at Seattle, pass downward between the same and the inin'the county of King and State of WVashingner side of the casing, and then upward be- 5 ton, have invented a new and useful Filter, of tween the diaphragm and the outer side of which the following is a specification. the casing to the innerend of the nozzle,

The invention relates to improvements in thereby bringing the water into contact with fi e sall the particles or globules of iron, which are The object of the present invention is to maintained in a state of frictional motion I0 simplify and improve the construction of filwhen the water is running. All free amters, and to provide one which will remove monia, so frequently found in impure water all organic matter in suspension, and which and all foreign matter either in solution or no will destroy all animal life, microbes, and the gas assimilates with the iron and their efiect like, and which will remove free ammonia and is destroyed. It has been found by experience 15 nitrous acids, from water passing through it. thatwater under a pressure from ten to one The invention consists in the construction hundred and thirty pounds to the square inch and novel combination and arrangement of in passing through the filter contacts suffiparts hereinafter fully described, illustrated ciently with the iron to neutralize the effects in the accompanying drawings and pointed of poisonous gases or solutions or any bad ef- 20 out in the claim hereto appended. fect of the animal or organic matter caught In the drawings-Figure 1 is a side elevain the strainers. tion of a filter constructed in accordance with The coupling has its upper end interiorly this invention. Fig. 2 is a central longitudithreaded andis adapted forthe reception of an nal sectional view. exteriorly threaded nozzle or a smooth faucet. 25 Like numerals of reference indicate like What I claim is parts in both figures of the drawings. In a filter, the combination of a casing hav- 1 designates a filter casing provided with ing a chamber for containing a filtering maan inner chamber 2 adapted to contain parterial and provided with a depending curved ticles or globules of iron, and which is divided diaphragm formed integral with it and ar- 30 by a curved diaphragm 3 extending to within ranged within the chamber and extending a short distance of the bottom of the casing, from the top thereof to within a short disand formed integral with the latter. The tance of the bottom, said casing having its upper end of the casing 1 is exteriorly threadupper end exteriorly threaded and forming a ed and has attached to it an interiorly threadseat and provided at its front with an inte- 35 ed coupling tadapted for the reception of the riorly threaded nozzle opening, a coupling outer end 5 of a faucet which is secured thereprovided with set screws and screwing on the in by clamping screws 6 arranged in threaded upper threaded end'of the casing, a strainer 8 5 openings of the coupling 4, and engaging the arranged within the coupling on the seat, and end 5 of the faucet. The top of the faucet a nozzle extending from the nozzle opening 0 around the opening 7 forms a seat 8 for a and provided at its outer end with a strainer,

strainer 9 which is very fine and a rubber substantially as described. gasket 10 against which the end of the faucet In testimony that I claim the foregoing as 5 bears. The outer side of the casing is promy own I have hereto affixed my signature in vided with an interiorly threaded opening 11 the presence of two witnesses.

5 in which is screwed the inner end 12 of a noz- ALFRED WILLIAMS.

zle 13, and the outer end of the latter is pro- Witnesses: vided with a strainer 14. F. A. MORROW,

The water entering passes through a very E. WILLIAMS. 

